Donald Trump has postponed a news conference scheduled for Thursday, where he planned to lay out his plans to separate himself for his complex and widespread businesses.

The announcement will now come sometime in January, Bloomberg News reported, before he’s sworn into office on Inauguration Day, Jan. 20.

The real estate mogul has more than 500 companies, according to financial disclosure forms filed at the start of his presidential campaign. Bloomberg estimates he has $3.6 billion in assets, while carrying $630 million in debts.

Trump himself estimated his net worth at more than $10 billion. Forbes believes the 70-year-old businessman is worth $3.7 billion.

His businesses — and the fact that companies tied to him operate in some form in 20 countries — raise the risk of the appearance of conflict of interest for the next president of the United States.

“I will be holding a major news conference in New York City with my children on December 15 to discuss the fact that I will be leaving my great business in total in order to fully focus on running the country in order to MAKE AMERICA GREAT AGAIN!” Trump tweeted.

“While I am not mandated to do this under the law, I feel it is visually important, as President, to in no way have a conflict of interest with my various businesses. Hence, legal documents are being crafted which take me completely out of business operations. The Presidency is a far more important task!” he said.